package org.example.big_event.mapper;

import org.apache.ibatis.annotations.Insert;
import  org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import org.example.big_event.pojo.User;
@Mapper
public interface UserMapper {
    //根据用户名查询用户
    @Select("select * from user where username=#{username}")
     User findByUsername(String username);
    //注册用户
    @Insert("insert into user(username,password,create_time,update_time)" +
    "values(#{username},#{password},now(),now())")
     void add(String username, String password);
    //更新用户信息
    @Update("update user set nickname = #{nickname},email=#{email},update_time=#{updateTime} where id=#{id}")
    void update(User user);
    //更新用户头像
    @Update("update user set user_pic = #{avatarUrl},update_time =now() where id = #{id}")
    void updateAvatar(String avatarUrl, Integer id);
    //更新用户密码
    @Update("update user set password = #{md5String},update_time =now() where id = #{id}")
    void updatePwd(String md5String, Integer id);
}
